142001222399 has 2 divisors, whose sum is σ = 142001222400. Its totient is φ = 142001222398.

The previous prime is 142001222371. The next prime is 142001222437. The reversal of 142001222399 is 993222100241.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142001222399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142001222339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71000611199 + 71000611200.

It is an arithmetic number, because the mean of its divisors is an integer number (71000611200).

Almost surely, 2^142001222399 is an apocalyptic number.

142001222399 is a deficient number, since it is larger than the sum of its proper divisors (1).

142001222399 is an equidigital number, since it uses as much as digits as its factorization.

142001222399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 142001222399 in words is "one hundred forty-two billion, one million, two hundred twenty-two thousand, three hundred ninety-nine".